# NTSB Accident LAX90DVD03
> **Texas Helicopter M47A WASP** · 1990-08-27 · STOCKTON, CA, USA · NONE
## Event
- **NTSB number:** LAX90DVD03
- **Event ID:** 20001212X24030
- **Type:** Accident
- **Date:** 1990-08-27
- **Location:** STOCKTON, CA, USA
- **Coordinates:** 37.959621, -121.259399
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** Texas Helicopter
- **Model:** M47A WASP
- **Registration:** N43921
- **FAR Part:** 137
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE PILOT MISJUDGED THE ALTITUDE DURING THE FLARE/TOUCHDOWN PHASE OF THE AUTOROTATION. FACTORS RELATING TO THIS ACCIDENT ARE FAILURE OF THE RIGHT MAGNETO.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX90DVD03) · AI Analytics · CC0 1.0*